XSEDE, the Extreme Science and Engineering Discovery Environment, is a National Science Foundation-supported project that brings together supercomputers, data collections, and computational tools and services to support science and engineering research and education. The annual XSEDE conference focuses on the science, education, outreach, software, and technology used by the XSEDE and other related communities worldwide. Hundreds of researchers, technology experts, educators, and students from around the globe will come together in San Diego for XSEDE13, July 22-25. This year's conference will feature: